{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "However , platforms for high throughput heterogeneous assays do not exist thereby severely increasing the cost and time of enzyme optimization , or leading to the use of assays with soluble substrates for convenient , but non - ideal , optimization ."}
{"Chemical": []}